Product Catalog Product Catalog > Square insulated duct  Total 3 items Showing 2   Prev   Next  click for larger photo Square insulated duct Name︰ Square insulated duct Country of Origin︰ China Product Description Flexible thermally insulated duct are made of standard flexible duct. Apply for low/medium/high pressure air rentilation and air conditioner systems. At high temperatures or in case of fire, no toxic gas emission. Easy to install oval or round connection! Product Image  Total 3 items Showing 2   Prev   Next  Related Products Ventilation hose Ventilation hose Build your FREE website Find Made in China glass Products !